紧性compactness: (卷烟)松紧度;紧密度;坚实度; 坚实性; 简洁; 紧凑度; 紧凑性; 紧密性; 紧性; 紧致性; 密实度; 密实性; 填充度; 压密度; 压实度; 致密性coefficient of compactness: 紧实系数; 致密系数compactness = fuel: compactness紧密度compactness factor: 紧凑系数compactness meter: 紧实度计下载手机词典可随时随地查词查翻译